/*
 * Copyright 2010 Assert Developments
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package be.ad.coffeebreak.web.controllers;

import be.ad.coffeebreak.domain.User;
import be.ad.coffeebreak.exceptions.EmailAlreadyInUseException;
import be.ad.coffeebreak.exceptions.ValidationException;
import be.ad.coffeebreak.services.SecurityService;
import be.ad.coffeebreak.web.support.WebContext;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Stefan Bangels
 */
public class AccountController extends SimpleFormController {

    protected SecurityService securityService;

    @SuppressWarnings("unused")
    public void setSecurityService(SecurityService securityService) {
        this.securityService = securityService;
    }

    public AccountController() {
        setFormView("account");
        setSuccessView("account.html");
        setCommandClass(User.class);
    }

    @Override
    protected Object formBackingObject(HttpServletRequest request) throws Exception {
        return WebContext.getUser(request);
    }

    @Override
    protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
        binder.setDisallowedFields(
                new String[]{"id", "creationDate", "modificationDate"});
        binder.setAllowedFields(
                new String[]{"email", "name", "description", "country", "language", "timezone", "theme"});
    }


    @Override
    protected Map referenceData(HttpServletRequest request) throws Exception {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("countries", new String[] {"BE", "NL", "US"});
        map.put("languages", new String[] {"en", "nl"});
        map.put("timezones", new String[] {"GMT-2", "GMT-1", "GMT+0", "GMT+1", "GMT+2"});
        map.put("themes", new String[] {"default", "test"});
        return map;
    }

    @Override
    protected ModelAndView onSubmit(
            HttpServletRequest request, HttpServletResponse response, Object command, BindException errors)
            throws Exception {
        try {
            User user = securityService.saveUser((User) command);
            WebContext.setUser(request, user);
        } catch (ValidationException e) {
            errors.rejectValue("email", "account.invalid");
            return showForm(request, response, errors);
        } catch (EmailAlreadyInUseException e) {
            errors.rejectValue("email", "account.email.already.exists");
            return showForm(request, response, errors);
        }
        return new ModelAndView(new RedirectView(getSuccessView()));
    }

}
